GAS Cartridge - 420 bar
Direct acting with anti-cavitation - Poppet Type
Direct acting in-line sequence valve with steel housing.
The SQA combines in one easy-to-install in line valve the typical
function of shock relief and anticavitation through the check valve.
In the pressure relief function it provides very low pressure rise
thanks to the smart deflector design.
When the pressure at the high pressure inlet (1) reaches the valve
setting, the valve starts to open to tank (2).
In the free reverse flow function a very light bias spring allows for
ease of flow passage from nose to side (2 to 1).
High precision machining guarantees quick response to load chang-
es, limited hysteresis and reduced leakage.
All external surfaces are zinc plated and corrosion-proof.
All valve parts are made of high strength steel.
Highly stressed parts are hardened and ground to guarantee mini-
mal wear and to extend service life.
Pressure setting is pre-adjusted by the factory and cannot be
Optional spring ranges to 420 bar (6000 psi).
Back pressure on the tank port (port 2) is directly additive to the
valve setting at a 1:1 ratio.
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|Maximum operating pressure||420 bar|
|Maximum flow||60 l/min|
|Maximum internal leakage||1.00 cc/min to 80% of nominal set point|
|Factory pressure settings||established @10 l/min|
|Reseat pressure||nominal 90% of crack pressure|
|Anti-cav cracking pressure||< 0.5 bar|
|temperature||-30°C to 110°C|
|fluids||Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt|
NOTE: The performance chart illustrates flow handling capacity at maximum setting for each spring range option. P/Q curves are recorded at TOil = 40°C and 46 cSt